a black powder, FeO, insoluble in water, soluble in acid.
DON’T VACILLATE! VANQUISH THIS WORD OF THE DAY QUIZ!
It’d be a real faux pas to miss this quiz on the words from August 3–9, 2020!
Question 1 of 7
What does “vacillate” mean?
Also called iron monoxide.
Origin of ferrous oxide
First recorded in 1870–75
Words nearby ferrous oxide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Scientific definitions for ferrous oxide
A black powder used to make steel, green heat-absorbing glass, and enamels. Chemical formula: FeO.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.